App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 55 · 40 questions

Developer's tip (Design for everyone): Our rule: text is at least 16 px; every icon has a text label for screen readers. Add captions to videos; never use colour as the only clue. Big touch targets and strong contrast help everyone.

1. 1.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
2. 2.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) strong colour contrast (d) icons with no labels
3. 3.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) colour-blind users (c) the battery (d) fast typists
4. 4.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 16 px
   Hint: 26 px
   Body text: 22 px
   Title: 24 px
   Label: 12 px (a) Label (b) Footer (c) Body text (d) Hint
6. 6.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
7. 7.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
8. 8.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 17 px
   Caption: 24 px
   Title: 17 px
   Hint: 14 px
   Body text: 17 px (a) Hint (b) Label (c) Title (d) Caption
10. 10.Which of these makes the app harder to use? (a) labels on every icon (b) icons with no labels (c) captions on videos (d) text that can grow
11. 11.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Label: 21 px
    Hint: 19 px
    Body text: 21 px
13. 13.🔍 Which is the odd one out? (a) big touch targets (b) fast-flashing lights (c) labels on every icon (d) text that can grow
14. 14.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
15. 15.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 20 px
    Hint: 11 px
    Label: 16 px
    Body text: 21 px
    Footer: 24 px
17. 17.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
18. 18.♿ A screen has 10 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) nobody (d) only experts
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 16 px
    Caption: 10 px
    Footer: 27 px
    Menu: 28 px
    Body text: 18 px (a) Footer (b) Caption (c) Hint (d) Menu
21. 21.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
22. 22.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
23. 23.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) big touch targets (d) labels on every icon
24. 24.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
25. 25.Which of these makes the app harder to use? (a) labels on every icon (b) colour as the only clue (c) captions on videos (d) strong colour contrast
26. 26.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) so anyone can follow (d) to hide the sound
27. 27.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Menu: 11 px
    Hint: 12 px
29. 29.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) sudden loud sounds (d) text that can grow
30. 30.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) reads the screen aloud (d) takes photos
31. 31.♿ What should every icon-only button have for screen readers? (a) a text label (b) a sound (c) a long animation (d) a bright colour
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 22 px
    Title: 18 px
    Body text: 15 px
33. 33.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) labels on every icon (d) fast-flashing lights
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 28 px
    Body text: 10 px
    Label: 18 px (a) Caption (b) Label (c) Body text
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 19 px
    Body text: 10 px
    Footer: 24 px
    Label: 17 px (a) Label (b) Body text (c) Footer (d) Menu
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 12 px
    Footer: 28 px
    Menu: 19 px
    Caption: 18 px
    Body text: 21 px (a) Menu (b) Footer (c) Hint (d) Caption
37. 37.Which of these helps everyone use the app? (a) tiny tap areas (b) text that can grow (c) colour as the only clue (d) sudden loud sounds
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 26 px
    Caption: 9 px
    Footer: 21 px
    Title: 22 px (a) Title (b) Hint (c) Caption (d) Footer
39. 39.🔍 Which is the odd one out? (a) icons with no labels (b) captions on videos (c) tiny tap areas (d) colour as the only clue
40. 40.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder

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